18 May 2020 - Governments and drug makers are weighing how to roll out coronavirus vaccines, including reserving the first batches for healthcare workers, as several shots race to early leads.

Of more than 100 vaccines in development globally, at least eight have started testing in humans, including candidates from Moderna and Pfizer.

At the same time, pharmaceutical giants like Johnson & Johnson, AstraZeneca and Sanofi are building capacity to make hundreds of millions of doses of their own or their partners’ vaccines.

Read The Australian article